Finding the Fourth Proportional to 4,042,531,665.30, 6,063,797,497.95 and 978,912,081.30
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Solution
The fourth proportional to 4,042,531,665.30, 6,063,797,497.95 and 978,912,081.30 is: 1,468,368,121.95
Step by Step Solution
- Step 1: Write the proportion equation
4,042,531,665.30 : 6,063,797,497.95 = 978,912,081.30 : x - Step 2: Convert to fraction form
4,042,531,665.30/6,063,797,497.95 = 978,912,081.30/x - Step 3: Cross multiply
4,042,531,665.30x = 6,063,797,497.95 × 978,912,081.30 - Step 4: Simplify right side
4,042,531,665.30x = 5,935,924,629,299,966,976 - Step 5: Solve for x
x = 5,935,924,629,299,966,976/4,042,531,665.30 - Step 6: Final answer
x = 1,468,368,121.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.